EP0442447B1 - Cuiseur sous pression - Google Patents

Cuiseur sous pression Download PDF

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Publication number
EP0442447B1
EP0442447B1 EP91101957A EP91101957A EP0442447B1 EP 0442447 B1 EP0442447 B1 EP 0442447B1 EP 91101957 A EP91101957 A EP 91101957A EP 91101957 A EP91101957 A EP 91101957A EP 0442447 B1 EP0442447 B1 EP 0442447B1
Authority
EP
European Patent Office
Prior art keywords
loading
steam pressure
cooking vessel
pressure cooking
vessel according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP91101957A
Other languages
German (de)
English (en)
Other versions
EP0442447A1 (fr
Inventor
Jürgen Krejza
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WMF Group GmbH
Original Assignee
WMF Group GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by WMF Group GmbH filed Critical WMF Group GmbH
Publication of EP0442447A1 publication Critical patent/EP0442447A1/fr
Application granted granted Critical
Publication of EP0442447B1 publication Critical patent/EP0442447B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
    • A47J27/09—Safety devices
    • A47J27/092—Devices for automatically releasing pressure before opening
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J45/00—Devices for fastening or gripping kitchen utensils or crockery
    • A47J45/06—Handles for hollow-ware articles
    • A47J45/062—Bowl handles

Definitions

  • the invention relates to a pressure cooker of the type explained in the preambles of claims 1 and 13.
  • Such a steam pressure cooker is known from US-A-2 619 254.
  • the known steam pressure cooker has one of the usual two-part handle handles with a lid handle and a container handle, both the lid handle and the container handle made of wood or plastic with a relatively large cross section.
  • a resiliently or tiltably mounted lever is fastened on the outside of the lid handle as an actuating element for a loading and unloading device, the loading and unloading device being formed in one piece with the actuating part.
  • the function of the external parts can be monitored well, but in particular the mounting of the actuating part is prone to failure, for example if the cover with the bearing point for the actuating part hits or hits hard.
  • a steam pressure cooker known from EP-A-123 197 has a two-part handle, the upper part being attached to the lid and the lower part to the container. Both handle parts are made of temperature-resistant, insulating plastic. In the upper part of the handle a cavity is provided. The valve and its loading and unloading device are accommodated in this cavity. A locking device is also provided in the cavity, which must extend from the upper handle part and must snap into recesses in the lower handle part. Furthermore, the actuating part for the loading and unloading device for the valve must extend upwards out of the upper handle part. For all these parts, a connection between the cavity and the outside of the handle part must be created.
  • the openings assigned to them in the handle part must be made larger than would correspond to the structural dimensions of the parts extending through them. Through these enlarged openings, however, food waste or the like can get into the interior of the cavity. The cavity must therefore be cleaned of food waste.
  • cleaning the handle parts and in particular the cavity is relatively time-consuming and complicated and, particularly in the known loading and unloading devices consisting of many small parts, involves the risk that their function will be impaired.
  • the invention is therefore based on the object of providing a steam pressure cooking vessel of the type mentioned which is robust, simple and uncomplicated to clean and whose mode of operation can be easily recognized by anyone.
  • the inventive configuration according to claim 1 means that no more cavities are required.
  • the handle can thus be easily cleaned under a flowing water jet or in the dishwasher. Faulty parts or stuck contaminants can be easily identified and removed before they become noticeable by malfunction.
  • this also increases the safety of the pressure cooker.
  • wire bow handles are already known in normal saucepans, their use for pressure cookers has never been considered, since experts believe that the known loading and unloading devices for the valve must be accommodated in a protective cavity, and because the known loading and unloading devices and the safety devices against opening under pressure are complex components that can only be produced with great effort in metal. The experts assumed that these parts were manufactured in large quantities and could only be economically manufactured with plastics. That the task is also recognized.
  • the cover is lighter during manufacture to handle or a separate, complex to manufacture, protruding from the handle and therefore damage-prone guide for the actuator is no longer necessary.
  • Claims 3 to 10 describe a structurally particularly simple loading and unloading device or locking device, which are to be designed so robustly that they cannot be damaged by normal use even when they are exposed.
  • the loading and unloading device according to the invention and the locking device according to claims 13 to 19 are not only easy to clean due to their robust, simple and few parts design, if they are exposed to the outside on a wire handle, but can also be easily rinsed off, if they are arranged in a conventional manner inside a plastic handle. For example, there are no sensitive parts to be tared which could be damaged by a strong water jet.
  • FIG. 1 shows a part of a steam pressure cooker 1, which has a lid 2 and a container 3 in the usual manner.
  • the lid 2 and the container 3 are to be fastened to one another in a pressure-tight manner by means of conventional bayonet locking means 4 and an intermediate sealing ring 5.
  • the steam pressure cooker 1 contains a handle, which comprises a lid handle 6 attached to the lid 2 and a container handle 7 attached to the container 3.
  • Both handles 6 and 7, as also shown in FIG. 2, consist of a wire loop made of relatively poorly heat-conducting material, for example of rust-resistant steel.
  • the wire loop for the lid handle 6 lies flat and extends substantially horizontally, while the wire loop for the container handle 7 is angled downward at the free end, so that the lid and container handles can be gripped separately from one another for opening and closing the vessel.
  • the wire has a round cross section, but oval or angular cross sections are also conceivable.
  • the lid handle 6 contains two parallel rods which are designed as guide rods 6a, 6b of an actuating part 8 which can be displaced in the direction of the double arrow A and which at least partially surrounds the guide rods with lateral guide openings (FIG. 3).
  • the actuating part 8 actuates a loading and unloading device 9, with which a valve part 10a of a valve 10 can be loaded with different loading conditions against a valve opening 11 arranged in the cover 2.
  • the valve part 10a is supported via a compression spring 10b on a lever arm 12a of a two-sided loading lever 12 made of flat steel of the loading and unloading device 9.
  • the loading lever 12 is on a metal pin 13 acting as an axis of rotation is mounted, which is attached to the lid handle 6 substantially horizontally and perpendicular to the direction of the double arrow A.
  • the second lever arm 12b of the loading lever 12 extends slightly obliquely upwards in the direction of the actuating part 8 from the axis of rotation 13.
  • a pusher in the form of a V-shaped leaf spring 14 made of metal is connected to the actuating part 8.
  • the leaf spring is arranged such that its tapering tip points in the direction of the axis of rotation 13.
  • a lower leg 14a of the leaf spring 14 is fixedly connected to the actuating part 8, while the upper leg 14b of the leaf spring 14 is arranged in a freely resilient manner and can engage with the second lever arm 12b.
  • an abutment 15 is provided on the container handle 7, below the free end of the second lever arm 12b of the loading lever 12, in the form of a metal pin welded onto the wire bracket.
  • the abutment 15 has a recess 16 (FIG. 3) which is open in the direction of the leaf spring 14 and runs parallel to the axis of rotation 13, the lateral boundary surfaces 16a and 16b of which lie opposite one another at a distance corresponding to the width of the leaf spring 14, and which has a run-up surface 16c for the leaf spring 14 is provided.
  • a plurality of recesses 17 are provided in the form of waves which are bent into the leg 14a.
  • the dimensions of the recesses 17 are adapted to the abutment 15 or the run-up surface 16c in such a way that they define latching positions.
  • the dimensions of the loading and unloading device in particular, the distance between the abutment 15 or the run-up surface 16c and the second lever arm 12b, the pitch angle of the second lever arm 12b, the opening angle and the length of the leaf spring 14 and the distance of the abutment 15 from the axis of rotation 13 of the loading lever are on one another and on the position of the recesses 17 matched that when the actuating part 8 is moved along the arrow A in the direction of the cover 2, the leaf spring 14 is inserted between the abutment 15 or the run-up surface 16c and the second lever arm 12b.
  • the leaf spring 14 is tensioned more and more, so that the force exerted on the valve part 10a via the spring 10b increases until the position shown in FIG. 1 is reached, in which the position closest to the actuating part 8 is reached Recess 17 is locked with the abutment 15. In this position, the valve part 10a is loaded with a force which is greater than the cooking pressure but lower than any pressure which is dangerous for the proper operation of the cooking vessel, so that the valve 10 can act as a safety valve.
  • the actuating part 8 is pushed away from the cover 2 along the arrow A until either the middle recess or the recess closest to the tip of the leaf spring is locked in place with the abutment. In these locking positions, the internal pressure in the saucepan can raise the valve part 10a with the lever arm 12a, so that a rapid pressure reduction is possible.
  • the locking of lid 2 and container 3 in the cooking position required in steam pressure cookers with a bayonet lock 4 to ensure that the bayonet lock webs are in full contact with each other during cooking and at excess pressure and remain, is achieved by the stop surfaces 16a and 16b of the recess 16 of the abutment 15.
  • the two stop surfaces 16a and 16b are, at least in the cooking position shown in FIG. 1, on both sides of the leaf spring 14 and prevent the two handles 6, 7 from being rotated in a direction perpendicular to the plane of the drawing in FIG
  • the arrangement of the handles 6, 7 one above the other corresponds to a fully engaged position of the bayonet lock). Only when the actuating part 8 has been pushed back so far along the arrow A from the cover 2 that the leaf spring 14 has been completely withdrawn from its engagement with the abutment 15 can the two handles be rotated against one another to open the cover 2.
  • the actuating part and the loading and unloading device described in the figures can also be conventionally arranged in the interior of a cavity in one of the customary plastic handles.
  • other actuating parts as well as loading and unloading devices are to be used for the wire bow handles, provided they are robust enough for the exposed arrangement.
  • the shape and cross-section of the wire bow handles can be changed from an aesthetic or functional point of view.
  • the axis of rotation of the loading lever can be arranged on the lid itself instead of on the lid handle. It is also possible, instead of the resilient pusher, to rigidly form the lower arm of the pusher and the lever arm of the loading lever under the spring.
  • a locking protruding downward from the actuating part can also be used as the locking device, which is located between the rods of the The wire loop forming the container handle is located when the actuating part has been pushed forward into the cooking position, and which is in the release position above the angled area of the container handle and outside the wire loop.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Cookers (AREA)
  • Meat, Egg Or Seafood Products (AREA)
  • General Preparation And Processing Of Foods (AREA)

Claims (19)

  1. Autocuiseur (1) avec un couvercle (2), une poignée de couvercle (6), un récipient (3), une poignée de récipient (7), une soupape (10) ménagée sur le couvercle (2), un dispositif de charge et de décharge (9) pour la soupape (10) pouvant être actionné par un élément d'actionnement (8) à déplacer par l'utilisateur, l'élément d'actionnement (8) et le dispositif de charge et de décharge (9) étant montés ou guidés exposés vers l'extérieur sur l'une des poignées (6, 7), et avec un dispositif de verrouillage (16a, 16b) amovible par lequel le couvercle (2) et le récipient (3) sont verrouillables l'un sur l'autre en position de cuisson, caractérisé en ce qu'au moins l'une des poignées (6, 7) est constituée par une pièce en fil métallique recourbée en arc, que le dispositif de charge et de décharge (9) est monté sur la poignée en fil métallique recourbé en arc (6), et que la poignée en fil métallique recourbé en arc (6) présente deux tiges de guidage (6a, 6b) parallèles, qui sont formées en guidage à coulisse pour l'élément d'actionnement (8).
  2. Autocuiseur selon la revendication 1, caractérisé en ce que les deux poignées (6, 7) sont des poignées en fil métallique recourbé en arc et en ce que le dispositif de verrouillage (16a, 16b) est exposé vers l'extérieur.
  3. Autocuiseur selon la revendication 1 ou 2, caractérisé en ce que le dispositif de charge et de décharge (9) comprend un levier de charge (12) en contact avec la soupape (10) et un poussoir (14) relié à l'élément d'actionnement (8), ce poussoir permettant, lors du déplacement de l'élément d'actionnement (8), d'exercer une force de sollicitation sur le levier de charge (12).
  4. Autocuiseur selon la revendication 3, caractérisé en ce que le levier de charge (12) est un levier oscillant double propre à pivoter autour d'un axe (13), dont le premier bras de levier (12a) peut être amené en contact avec la soupape (10) et dont le second bras de levier (12b) peut être amené en contact avec le poussoir (14).
  5. Autocuiseur selon la revendication 3 ou 4, caractérisé en ce que le poussoir (14) est un ressort à lame plié en forme de V avec des branches (14a, 14b) concourant dans le sens de la charge, ce ressort pouvant être inséré entre le second bras de levier (12b) du levier de charge (12) et une surface de contact (16c) d'une butée (15), pour l'application de la force de sollicitation.
  6. Autocuiseur selon la revendication 5, caractérisé en ce qu'une branche (14a) du ressort à lame est reliée au bouton d'actionnement (8) et peut s'appuyer contre la butée (15), tandis que l'autre branche (14b), faisant librement ressort, peut être appliquée contre le second bras de levier (12b).
  7. Autocuiseur selon l'une des revendications 3 à 5, caractérisé en ce que l'axe (13) du levier de charge (12) et le guidage à coulisse (6a, 6b) de l'élément d'actionnement (8) sont ménagés sur la poignée de couvercle (6) et la butée (15) sur la poignée de récipient (7).
  8. Autocuiseur selon la revendication 7, caractérisé en ce que l'axe (13) du levier de charge (12) et la surface de contact (16c) de la butée (15) s'étendent sensiblement horizontalement, et que le dispositif de verrouillage présente, sur la poignée de récipient (7), deux surfaces d'arrêt (16a, 16b) situées face à face avec un écartement horizontal entre elles, correspondant à la largeur du ressort à lame (14), et entre lesquelles le ressort à lame peut être introduit lors de son mouvement dans le sens de sollicitation.
  9. Autocuiseur selon la revendication 8, caractérisé en ce que les surfaces d'arrêt (16a, 16b) sont conçues en tant que limitations latérales de la surface de contact (16c).
  10. Autocuiseur selon l'une des revendications 5 à 9, caractérisé en ce que le dispositif de verrouillage (16a, 16b) et la butée (15) sont disposés au niveau d'un évidement (16) dans une broche.
  11. Autocuiseur selon l'une des revendications 1 à 10, caractérisé en ce qu'il est prévu des positions de crantage (17) pour le réglage de divers états de charge ou de décharge de la soupape (10).
  12. Autocuiseur selon la revendication 11, caractérisé en ce que les positions de crantage (17) sont constituées par des évidements de la partie (14a) du poussoir (14) qui peut venir en contact avec la butée (15).
  13. Autocuiseur avec un récipient, une poignée de récipient, un couvercle, une poignée de couvercle, un dispositif de verrouillage prévu entre les deux poignées, une soupape ménagée sur le couvercle et un dispositif de charge et de décharge pour la soupape, qui est à commander par l'intermédiaire d'un élément d'actionnement, le dispositif de charge et de décharge comprenant un levier de charge pivotant relié à la soupape et un poussoir relié à l'élément d'actionnement et agissant élastiquement, par l'intermédiaire d'une butée, sur le levier de charge, caractérisé en ce que le poussoir est formé en V et en ce que le levier de charge (12) est formé à deux côtés, un bras de levier (12a) du levier de charge (12) étant relié à la soupape (10) et le poussoir en forme de V (14) pouvant être inséré entre le second bras de levier (12b) et la butée (15).
  14. Autocuiseur selon la revendication 13, caractérisé en ce que le levier de charge (12) peut pivoter autour d'un pivot (13) disposé sur la poignée de couvercle (6).
  15. Autocuiseur selon la revendication 13 ou 14, caractérisé en ce que le poussoir est réalisé en tant que ressort à lame (14) en forme de V.
  16. Autocuiseur selon l'une des revendications 13 à 15, caractérisé en ce que le dispositif de verrouillage est disposé sur la poignée de récipient (7) et qu'il présente deux surfaces d'arrêt (16a, 16b) pour le poussoir (14), disposées de part et d'autre du poussoir (14) dans la position de cuisson du dispositif de charge et de décharge.
  17. Autocuiseur selon la revendication 16, caractérisé en ce que les surfaces d'arrêt (16a, 16b) délimitent latéralement une surface de contact (16c) de la butée (15).
  18. Autocuiseur selon la revendication 16 ou 17, caractérisé en ce que les surfaces d'arrêt (16a, 16b) et la surface de contact (16c) de la butée (15) sont disposées dans un évidement (16) d'une broche.
  19. Autocuiseur selon l'une des revendications 13 à 18, caractérisé en ce qu'une partie (14a) du ressort à lame (14), venant en contact avec la butée (15), présente des évidements (17) constituant diverses positions de crantage pour le réglage de différents états de charge et de décharge de la soupape (10).
EP91101957A 1990-02-13 1991-02-12 Cuiseur sous pression Expired - Lifetime EP0442447B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4004377 1990-02-13
DE4004377A DE4004377A1 (de) 1990-02-13 1990-02-13 Dampfdruckkochgefaess

Publications (2)

Publication Number Publication Date
EP0442447A1 EP0442447A1 (fr) 1991-08-21
EP0442447B1 true EP0442447B1 (fr) 1994-05-18

Family

ID=6400038

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91101957A Expired - Lifetime EP0442447B1 (fr) 1990-02-13 1991-02-12 Cuiseur sous pression

Country Status (6)

Country Link
EP (1) EP0442447B1 (fr)
JP (1) JP2875405B2 (fr)
KR (1) KR100187567B1 (fr)
AT (1) ATE105686T1 (fr)
DE (2) DE4004377A1 (fr)
ES (1) ES2056505T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0880926A1 (fr) * 1997-05-28 1998-12-02 FRABOSK CASALINGHI S.p.A. Appareil et procédé de chauffage contrÔlé de lait
KR101344759B1 (ko) * 2013-06-19 2013-12-30 김학래 진공냄비용 뚜껑

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1556420A (en) * 1922-01-21 1925-10-06 Edward M Chandler Attachment for utensils and method of making the same
US2619254A (en) * 1947-07-22 1952-11-25 Eastern Metal Products Co Pressure cooker
JPS49147158U (fr) * 1973-04-18 1974-12-19
DE7337581U (de) * 1973-10-18 1977-08-04 Silit-Werke Gmbh & Co Kg, 7940 Riedlingen Dampfdruckkochtopf mit bajonettverschluss
JPS5861128U (ja) * 1981-10-19 1983-04-25 シャープ株式会社 圧力調理器
DE3314346A1 (de) * 1983-04-20 1984-10-25 Württembergische Metallwarenfabrik AG, 7340 Geislingen Topfdeckel mit loesbarem griff
GR81031B (en) * 1983-11-30 1985-03-22 Radar S Coop Regulation and control device for pressure cookers
ATE72389T1 (de) * 1987-03-09 1992-02-15 Wmf Wuerttemberg Metallwaren Dampfdruckkochgefaess.
JPH068842Y2 (ja) * 1987-04-15 1994-03-09 長岡 美雄 軽合金箔製鍋の伸縮柄

Also Published As

Publication number Publication date
KR100187567B1 (ko) 1999-06-01
DE59101625D1 (de) 1994-06-23
EP0442447A1 (fr) 1991-08-21
ATE105686T1 (de) 1994-06-15
JP2875405B2 (ja) 1999-03-31
DE4004377A1 (de) 1991-08-14
JPH05137647A (ja) 1993-06-01
ES2056505T3 (es) 1994-10-01
KR910015272A (ko) 1991-09-30

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